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The keys on the right side of the keypad is not working. How do I fix? |
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81UE, 81XL
Troubleshooting
For common issues and solutions, refer to our Lenovo Yoga C640-13IML troubleshooting pages:
- Lenovo Yoga C640-13IML Slow Performance
- Lenovo Yoga C640-13IML Fan Is Loud
- Lenovo Yoga C640-13IML Not Charging
- Lenovo Yoga C640-13IML Won’t Turn On
Background
The Lenovo Yoga C640-13IML is a 13.3-inch 2-in-1 convertible laptop released in 2019. It features a Full HD IPS touchscreen, a 360-degree hinge that allows it to switch between laptop and tablet modes, and 10th Gen Intel Core i3, i5, or i7 processors. The device comes with integrated Intel UHD graphics, SSD storage, and 8GB or 16GB of RAM. Certain models may also include a fingerprint reader and LTE capability.
Common issues reported by users include battery wear, SSD slowdowns, charging problems, and loud fan noise. These issues usually appear over time with regular use but can be resolved through basic repairs. The battery, fan, and SSD are accessible and replaceable using standard tools.
There are no major manufacturer recalls for this model. However, Lenovo has released BIOS and driver updates to improve stability and fix performance issues.
Identification
You can identify the Lenovo Yoga C640-13IML by checking the label on the bottom of the laptop. Model numbers may include 81UE0003US or 81UE0010GE. It has a 13.3-inch touchscreen and a hinge that folds back into tablet mode.
Technical Specifications
- Display: 13.3-inch Full HD (1920 x 1080) touchscreen
- Processor: 10th Gen Intel Core i3, i5, or i7
- Graphics: Integrated Intel UHD Graphics
- Memory: 8GB or 16GB RAM
- Storage: 128GB to 512GB SSD
- Battery: 60Wh, up to 20 hours of battery life
- Operating System: Windows 10 Home
- Weight: About 2.98 lbs (1.35 kg)
- Ports:
- 2 x USB 3.1 Gen 1
- 1 x USB-C
- 1 x 3.5mm headphone/microphone jack
- 1 x microSD card slot
Additional Information
- Lenovo Official Support Page:
https://support.lenovo.com/us/en/product...
- User Guide PDF:
https://download.lenovo.com/consumer/mob...
- NotebookCheck Review:
https://www.notebookcheck.net/Lenovo-Yog...
- TechRadar Review: